Question about Siemens Gigaset 8825 Cordless Phone

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Button restart Hi! I have a problem with my Gigaset 8825 and i think that restarting the unit, my problem could be resolve, just that i dont´t find the button. Can anybody helpme please Brenda Mata

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Hi Brenda, the process to factory default your unit is within the System Settings menu of the programming. Push Menu, scroll to System Settings, push select, enter your pin, push select, push backward key one, push select twice and you just defaulted your unit.

Posted on Feb 11, 2008


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Posted on Jan 02, 2017


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Complete the following steps to reset the PIN on the 8825 back to 0000.

1. Press MENU.

2. Scroll to System Settings but do not press SELECT.

3. On the keypad, enter *65# (Star, 6, 5, Pound).

4. It will display "System PIN Reset" and return to the idle screen.

Sep 26, 2009 | Siemens Gigaset 8825 Cordless Phone

1 Answer

Need a manual for Gigaset 8825


here you are.

Quick start guide :


Aug 24, 2009 | Siemens Gigaset 4000 Phone

1 Answer

I have a gigaset 8825. I have a "distinctive ring" problem


I have the same phone system, and *think* you may be able to fix the problem by adjusting the amount of rings before answer on each unit. This assumes there is an auto answer system engaged. Hope that helps some.

Ken Lundberg

Jun 19, 2009 | Siemens Gigaset 8825 Cordless Phone

1 Answer

Siemens gigaset 8825 has a problem with the base unit

Jan 08, 2009 | Siemens Gigaset 8825 Cordless Phone

1 Answer

Siemans Gigaset 8825 BaseStation

Is the line blocked in settings at the base? This would be the only solution I can think of - hope it helps!

Dec 01, 2008 | Siemens Gigaset 8825 Cordless Phone

1 Answer

Gigaset 8825 cordless phone pin reset

The default PIN for base and handsets is 0000 - if it has not been changed
  • Press Menu on Handset
  • Scroll to Mobile Settings - press ok
  • Scroll to Local Settings - press ok
  • Scroll to Chang Pin - press ok
  • Enter Current handset PIN - press ok
  • Enter New PIN - press ok
  • Display will show Confirm - Reenter PIN - press ok

Sep 15, 2008 | Siemens Gigaset 8825 Cordless Phone

1 Answer

Gigaset 8825 new

They are not manufactured anymore, but you can buy used ones off Ebay.

Jul 07, 2008 | Siemens Gigaset 8825 Cordless Phone

3 Answers

System pin unknown

I will email you steps to restore factory default PIN...send me a note

Nov 20, 2007 | Siemens Gigaset 8825 Cordless Phone

2 Answers

Power supply gigaset 8825

The power supply for the 8825 base is to be 13 volts AC, rated at 850 milliamps or higher. You can go anywhere from 13 up to 15 volts without hurting the unit, and a higher current rating is even better. We actually make them ourselves through bulk purchases of varieties of power supplys. Your next delimma will be the plug size, it is a pretty common size, most universal adapters will have the right size of the outer and inner connections.

Nov 16, 2007 | Siemens Gigaset 8825 Cordless Phone

1 Answer

Gigaset 8825

You can download the manual from the link below: You will find how to use the answer phone remotely on page 60. Please update the question & let us know if the information given was useful to you - Good Luck!

Aug 14, 2007 | Siemens Gigaset 8825 Cordless Phone

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